Table 3.

Results of the two previous ICSI cycles

	ICSI group	IMSI group	Statistical comparison
Total number of mature oocytes	13.4 ± 5.0	15.1 ± 6.2	P < 0.05
Fertilization rate (%)	53 ± 21	50 ± 22	NS
No. total embryos	7.2 ± 4.0	7.9 ± 4.8	NS
% of good morphology embryos (score 3 and 4, Giorgetti classification)	35 ± 30	38 ± 32	NS
No. embryo transfers	224	148
No. transferred embryos	3.6 ± 1.6	3.9 ± 1.8	NS
Clinical pregnancy rate	4 (2 %)	11 (6 %)	NS
Implantation rate	1 % (4/441)	3 % (11/330)	NS
No. of freezing cycles in each group	45	37
Total number of frozen embryos per cycle	0.8 ± 1.4	1.1 ± 1.9	NS